Patents whose numbers are in italics have been extended under 35 USC 156. All expiration dates include applicable Sec. 156 and pediatric (PED) extensions.
| Exclusivity | Expiration | Exclusivity Description |
|---|---|---|
| Exclusivity Type: Orphan Drug Exclusivity | Mar 24, 2002 | Orphan Designation: This Orphan Designation could not be obtained via our automated process due to a trademark mismatch between the Purple Book and the FDA's "Orphan Drug Designations and Approvals" search engine. Please use the FDA's search engine to manually look up the orphan designation. |